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| Coordinated Universal Time system (Coordinated Universal Time (UTC) is a time standard based on International Atomic Time (TAI) with leap seconds added at irregular intervals to compensate for the Earth's slowing rotation. вики Alexander Demidov) | |||
| central timing system; common timing system; time reference; master timing system | |||
| time system | |||
| standard time network; unified time system | |||
| timestandard system (ssn); time standard system (ssn) | |||
| common-timing system; universal time system | |||
| time-standard system | |||
| система единого времени: 10 phrases in 5 subjects |
| American usage, not spelling | 1 |
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